mmc: meson-gx-mmc: Fix platform_get_irq's error checking

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index e0862d3f65b346b5ef40c378530af206d2ea9f81..32a6a228cd120ac1e9beb79b7c018977d9fb6422 100644 (file)
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1208,7 +1208,7 @@ static int meson_mmc_probe(struct platform_device *pdev)
        }
 
        irq = platform_get_irq(pdev, 0);
-       if (!irq) {
+       if (irq <= 0) {
                dev_err(&pdev->dev, "failed to get interrupt resource.\n");
                ret = -EINVAL;
                goto free_host;